found: His Rubaiyāt khō̜ng Hakim ʻŌmā Khaiyām, 1969:t.p. (Hakim ʻŌmā Khaiyām)
found: His Ōmar Khayeami kʻaṛeakner, 1976:t.p. (Ōmar Khayeami)
found: Jaʻfarī, M.T. Taḥlīl-i shakhṣīyat-i Khayyām, 1986:t.p. (ʻUmar ibn Ibrāhīm Khayyāmī)
found: Mambetakunov, K. Omor Khaĭi︠a︡mdyn makhabaty, 1986:t.p. (... Omor Khaĭi︠a︡mdyn) cover p. 1 (... Omar Khaĭi︠a︡mdyn) Russian colophon (... Omara Khaĭi︠a︡ma)
found: Leṿi, Sh. ha-Rubaʻiyat shel ʻOmar Khayam, c1987 or c1988:t.p. (ʻOmar Khayam)
found: Cerha, F. Zehn Rubaijat des Omar Khajjam, c1990.
found: His Rubai, 1991:t.p. (Omar Khaĭi︠a︡m) p. 3 (Gii︠a︡s ad-Din Fatkh ibn Ibrakhim Omar Khaĭi︠a︡m Nishapuri)
found: Rubaiyat ; seguidos del poema Kuza-nama, 1951:t.p. (Omar Kheyyam)
found: Omā Kaiyamu Yongyōka hyakku, 1910.
found: Ensayo crítico sobre Las Rubáiyát de Umar-i-Khayyám, 1930.
found: Roumpagiat, 1953:t.p. (Omar Kagiam)
found: Robaiyyat, c1993:t.p. (Omar Jayyam)
found: Ruboiĭlar, 1976:t.p. (Umar Khaĭëm)
found: Rubaije, 2000:t.p. (Omer Hajjam)
found: Ruboʺiëti Khaĭëm, 1996:p. 3 (Umari Khaĭëm)
found: Erdmann, D. Drei Lieder für mittlere Stimme, Mandoline und Gitarre, c2001:t.p. (Omar) p. 2 (Omar, der Zeltmacher)
found: Robáiyáte Omar Xayyám, c1997.
found: Rubāʻīyāt-i ʻUmar K̲h̲ayyām, 2007:t.p. (Umara K̲h̲ayyāma) jkt. (Abūlfat̤ḥ G̲h̲ayās̲uddīn ʻUmar bin Ibrāhīm, Abula Fateha Ghayāsuddīna Umara bina Ibrahīma)
found: An essay by the uniquely wise ʻAbel Fath Omar Bin Al-Khayyam on algebra and equations, c2008:t.p. (Omar Al-Khayyam)
found: Wikipedia, July 19, 2008(Omar Khayyám; Ghiyās od-Dīn Abol-Fath Omār ibn Ebrāhīm Khayyām Neyshābūri (b. Neyshābūr, Persia, May 18, 1048-d. Dec. 4, 1122); Persian poet, mathematician, philosopher and astronomer; name is also given as Omar al-Khayyami)
found: The authentic Rubaiyyat of Sufi poet Omar Khayaam, 1993.
found: Encyclopedia Britannica online, 23 November 2010(born May 18, 1048, Neyshābūr, Khorāsān [now Iran] ; died December 4, 1131, Neyshābūr ; Persian mathematician, astronomer, and poet)
found: Tahqīq dar afkār va bāztāb-i ās̲ār-i jahānī-i Ḥakīm ʻUmar Khayyām Nīshābūrī, 2003:t.p. verso (Iranian CIP data: Khayyām, ʻUmar ibn Ibrāhīm, 432-517 Q. [1053 or 4-1138 or 9])
found: Omar Haýýam, 2011:title page (Omar Haýýam)
found: Çarîneyên Omer Xeyyam, 2015:title page (Omer Xeyyam, ʻUmer Xeyyam) page facing title page (Omerê Xeyyam)
found: Četrrindes, 1970:title page (Omārs Haijams) colophon (Омар Хайям = Omar Khaĭi︠a︡m)
found: Wisdom of Omar Khayyam, 1967:t.p. (Omar Khayyam)
found: Variácie na štvorveršia Omara Chajjáma, 1980:title page verso (Omar Chajjám)
found: K̲h̲ayyām shanāsī, 2017:t.p. (K̲h̲ayyām = خيّام)
found: Ġvino, duduki, kʻalebi, 1991:title page (Omar Xaimi)
found: Bādah-yi k̲h̲ayām, 2019:t.p. (ʻUmar K̲h̲ayyām = عمر خيّام)
found: Omar Kayam, 1964:title page (Omar Kayam)
found: Vaukʻʺ ʼAǭmā ̋ Khayāmʻʺ Rų̄pāįrātʻ̨, 2023:t.p. (ʼAǭmā ̋ Khayāmʻʺ; ʼUimā Khayamʻʺ; Omar Khayyám)
